1048409856 has 432 divisors, whose sum is σ = 3615917760. Its totient is φ = 289013760.

The previous prime is 1048409833. The next prime is 1048409891. The reversal of 1048409856 is 6589048401.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14766301 + ... + 14766371.

It is an arithmetic number, because the mean of its divisors is an integer number (8370180).

Almost surely, 2^1048409856 is an apocalyptic number.

1048409856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1048409856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1807958880).

1048409856 is an abundant number, since it is smaller than the sum of its proper divisors (2567507904).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1048409856 is a wasteful number, since it uses less digits than its factorization.

1048409856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152 (or 135 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The square root of 1048409856 is about 32379.1577407443. The cubic root of 1048409856 is about 1015.8830129628.

The spelling of 1048409856 in words is "one billion, forty-eight million, four hundred nine thousand, eight hundred fifty-six".